Manufactured by PRS Bearings, the PRB070 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KB070CP0, SILVERTHIN SB070CP0. Key dimensional parameters include a 177.8 mm bore diameter, a 193.675 mm outer diameter, and a 7.938 mm overall width. With matching boundary dimensions, this component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
PRB070 - PR Radial Contact Ball Bearing
Technical Specifications
| Direct Interchange | KAYDON KB070CP0, SILVERTHIN SB070CP0 |
|---|---|
| Overview | |
| Basic Model | PRB070 |
| Weight | 0.227 kg |
| Dimensions | |
| Bore Dia (d, mm) | 177.8 mm |
| Bore Dia (d, in) | 7 in |
| Outer Dia (D, mm) | 193.675 mm |
| Outer Dia (D, in) | 7.625 in |
| Width (B, mm) | 7.938 mm |
| Width (B, in) | 0.3125 in |
| Load Ratings | |
| Dynamic Load (Cr) | 5,022 kN |
| Static Load (Cor) | 13,211 kN |
| Performance | |
| Limit Speed (rpm) | 2,740 rpm |
7.938 mm 193.675 mm 177.8 mm PRB070 Frequently Asked Questions about PRB070 PR Radial Contact Ball Bearing
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The PRB070 produced by PRS Bearings adheres to strict ISO standards with a bore diameter of 177.8 mm, an outer diameter of 193.675 mm, and a width of 7.938 mm. PRS Bearings utilizes advanced grinding technology to ensure a radial section wall thickness of 7.9 mm and a balanced D/d ratio of 1.09 for high-precision housing fits.
Every PRB070 batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
PRS Bearings provides a comprehensive B2B warranty for the PRB070 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PR Radial Contact Ball Bearing operates optimally within your specific machinery.
Yes. Through optimized internal geometry and precision honing, PRS Bearings minimizes the rolling friction of the PRB070. This lowers operating temperatures and power consumption, particularly when running near its 2,740 RPM threshold.